1
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which among the following is NOT true with respect to colloidal solution?
A
Particles are uniformly distributed throughout the solution
B
Colloidal solution is homogenous in nature
C
They show Tyndal effect
D
They do not settle down when kept undisturbed
2
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Kerosene and petrol mixture can be best separated by
A
Sublimation
B
Separating funnel
C
Fractional distillation
D
Compressing and cooling
3
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
As proposed by Dalton, which of the following symbol represents phosphorus?
A
NDA General Ability 3 September 2023 General Science - Chemistry Question 30 English Option 1
B
NDA General Ability 3 September 2023 General Science - Chemistry Question 30 English Option 2
C
NDA General Ability 3 September 2023 General Science - Chemistry Question 30 English Option 3
D
NDA General Ability 3 September 2023 General Science - Chemistry Question 30 English Option 4
4
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language

Which among the following statements with respect to carbon is/are correct?

1. Carbon forms the basis for all living organisms and many things we use

2. Carbon shows tetra-valency and the property of catenation

3. Carbon forms covalent bonds with itself and other elements

4. Carbon forms compounds containing triple and tetra bonds between carbon atoms

Select the correct answer using the code given below:

A
1 only
B
1 and 2 only
C
1, 2 and 3
D
2 and 4
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